1. Intro. to Computer Network
Wed. 2:20pm-5:20pm, in CSIE 101
Instructor: Cheng-Fu Chou
Office hours: by appointments
TAs: (R506)
王裕博:
梁逸安:
Lecture Format:
Slides
Interactive
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2. Class Resources Class web page:
Computer Networks 2011
Includes message archives (send by the instructor or the TA)
Reading list
Proj. assignment & HWs
You should check this site regularly
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3. Course Reading Textbook:
“Computer Networking: A Top Down Approach Featuring the Internet,”5th edition, Jim Kurose and Keith Ross, Addison-Wesley
Reference books:
Computer Networks: A Systems Approach - by Larry Peterson and Bruce Davie, 4th Edition, Morgan Kaufman, 2007.
TCP/IP Illustrated volume I and volume II
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4. Important Info. Grading: HW 15% projects (I,II, and III) 35%
midterm 25%
final 25%
class participation: 5%
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5. Assignments HW Projects: Late Policy Based on readings and discussions
C/C++ only
Late Policy
TBD: check the class web site
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6. Things to Do Today
Read class web page
Check course description
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7. Student Commitments Keep up with your reading Do your own work
Turn in assignments on times
You are encouraged to study with other students and discuss (no sharing) programming assignments and HWs
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8. Objective
This course will cover the basic principles of networking with a focus on protocols, implementations, and issues specific to the Internet. We will study how routing, transport and internetworking protocols using the Internet family of protocols as examples. We will selectively implement new protocols and network services; as such, this course will have rather a substantial programming component.
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9. Contents Computer Networks and Internet Application Layer
Transport Layer
The Network Layer
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10. Contents Wireless and Mobile Networks Multimedia Networking
Security in Computer Networks
Network Management
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11. Expectations This class IS about... Principles and Concepts
General-Purpose Computer Networks
Internet Perspective
Network Software
Designing and Building a System
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12. This class IS NOT about... Survey of existing protocol standards
Specialized networks (e.g., CATV, telephone)
OSI Perspective
Network Hardware (we do survey)
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13. Question 1
Suppose you are at a workstation with IP address and are running IE. You are click on an URL pointing to (IP addr ). Assume that the web page is available, loaded and displayed by your browser. Describe, in as much details as you can, the steps that occur between the mouse-click and the displaying of the web page.
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14. Ans.
6 messages to translate the server name ( into its IP address
3 messages to set up TCP connections
2 messages for the browser to send HTTP “get” request
2 messages for the server to send back the requested page
4 messages to tear down the TCP connections
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15. Question 2 What are the requirements as you design a computer network

16. Requirements Connectivity Cost-Effective Resource Sharing
Functionality
Support for common services (or applications)
Scalability
What else?
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17. The End
Questions ?
interested issues, topics
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